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Calculating mass from angles and all sides of vector triangle

  1. Nov 10, 2009 #1
    1. The problem statement, all variables and given/known data
    the attachment is a drawing of what was given/what i have already found the mass and weight are the only things i have to find and i cant find any equations that will help me figure this out
     

    Attached Files:

  2. jcsd
  3. Nov 10, 2009 #2

    stewartcs

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    Science Advisor

    It appears that you have 4 strings supporting an object with some mass. It also appears you have found 4 of the 4 tensions in the 4 strings (i.e. each string has a tension). Thus the tension in the fourth string equals the weight of the suspended object. In order to find the mass of the suspended object (assuming those 4 tensions on your diagram represent the tension in the strings) use Newton's Second Law: F = ma.

    EDIT: Please clarify your drawing if I've wrongly assumed the values given are the tensions in each of the 4 strings (it's hard to tell from your drawing).

    CS
     
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